766402560domain: NAppears in sequencesLCM of totients of binomial coefficients C(n,j), j = 0..n.at n=28A064451Product{<n/k>: k=1,2,...,n}, where <x> denotes the integer second nearest to x. (For x=(2h+1)/2, <x> is defined to be h, not h+1; if x is an integer, then <x> is defined to be x+1.)at n=19A075998